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发明名称
Improvements relating to ink ribbon marks for typewriters and like machines
摘要
申请公布号
GB472065(A)
申请公布日期
1937.09.16
申请号
GB19360013140
申请日期
1936.05.09
申请人
JOSEPH PATRICK O'HALLORAN;OKOPA CARBON PAPER ELIMINATOR LIMITED
发明人
分类号
B41J13/26
主分类号
B41J13/26
代理机构
代理人
主权项
地址
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